Fix for 5044847 removes "Press menu for help" which is no longer used on any device.
Fix for 5092312 removes black background from pattern/pin/password settings.
Change-Id: I849ea0296aa9f0e9ace65086f9b154a961959f00
This fix updates the style for buttons to better conform to the screen
by using weightSums.
It also makes layouts much more flexible across platforms by making
better use of the square aspect feature of LockPatternView.
Change-Id: I63677790bf0ac52707c8c356540ecd5dc50ca33b
